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HomeCAB vs RAR
.cab
.rar

CAB vs RAR

Compare Cabinet Archive and RAR Archive formats — understand the key differences and when to use each

Format Overview

CAB

Cabinet Archive

Cabinet Archive (.cab) is a archive file format.

.cabarchive

RAR

RAR Archive

RAR (Roshal Archive) is a proprietary archive format created by Eugene Roshal in 1993, known for superior compression ratios compared to ZIP. RAR typically achieves 10-30% better compression than ZIP on the same data. It supports solid compression (treating multiple files as one continuous stream for better ratios), multi-part archives for splitting large files, recovery records for repairing damaged archives, AES-128/256 encryption, and Unicode filename support. RAR5, the latest version, uses a new compression algorithm with improved speed and ratios. While RAR requires third-party software for creation (WinRAR), many tools can extract RAR files. RAR is popular for large file distribution, particularly in gaming, software, and media communities.

.rararchive

CAB vs RAR: Feature Comparison

FeatureCABRAR
Full NameCabinet ArchiveRAR Archive
File Extension.cab.rar
Categoryarchivearchive
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use CAB vs RAR

Use CAB when you need:

  • •Files in Cabinet Archive format for maximum compatibility
  • •Industry-standard archive format support
  • •Wide software and platform compatibility

Use RAR when you need:

  • •Files in RAR Archive format for specific workflows
  • •Optimized archive format features
  • •Modern format advantages and smaller file sizes

Convert Between Them

CAB RARRAR CAB
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Learn More About These Formats

CAB Converter RAR Converter

Frequently Asked Questions

What is the difference between CAB and RAR?
CAB (Cabinet Archive) and RAR (RAR Archive) are both archive file formats. CAB files use the .cab extension while RAR uses .rar. They differ in compression, quality, compatibility, and intended use cases.
Can I convert CAB to RAR for free?
Yes! Convert999 lets you convert CAB to RAR completely free, directly in your browser. No file upload to any server, no registration needed — your files stay private on your device.
Which is better, CAB or RAR?
It depends on your use case. CAB (Cabinet Archive) may be better for certain workflows, while RAR (RAR Archive) excels in others. Consider factors like file size, quality, software compatibility, and your specific needs.
Is it safe to convert files on Convert999?
Absolutely. Convert999 processes all files 100% locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

CAB Converter

Convert from CAB

RAR Converter

Convert from RAR

File Tools

Compress, resize, merge

Convert to CAB

All sources → CAB

Convert to RAR

All sources → RAR

Format Statistics

Trends & data 2025

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